Home / 20,869,709.70-31,304,564.55-14,492,417.70

Finding the Fourth Proportional to 20,869,709.70, 31,304,564.55 and 14,492,417.70

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Solution

The fourth proportional to 20,869,709.70, 31,304,564.55 and 14,492,417.70 is: 21,738,626.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,869,709.70 : 31,304,564.55 = 14,492,417.70 : x
  2. Step 2: Convert to fraction form
    20,869,709.70/31,304,564.55 = 14,492,417.70/x
  3. Step 3: Cross multiply
    20,869,709.70x = 31,304,564.55 × 14,492,417.70
  4. Step 4: Simplify right side
    20,869,709.70x = 453,678,825,375,212.50
  5. Step 5: Solve for x
    x = 453,678,825,375,212.50/20,869,709.70
  6. Step 6: Final answer
    x = 21,738,626.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.